/**
 * Created with IntelliJ IDEA.
 * Description:
 * Date: 2024-02-07
 * Time:16:11
 */
public class Test {
    public static void main(String[] args) {
        TreeNode node1 = new TreeNode(1);
        TreeNode node2 = new TreeNode(2);
        TreeNode node3 = new TreeNode(3);
        TreeNode node4 = new TreeNode(4);
        TreeNode node5 = new TreeNode(5);
        TreeNode node6 = new TreeNode(6);

        node1.left = node2;
        node1.right = node3;
        node2.left = node4;
        node2.right = node5;
        node3.left = node6;

        Solution solution = new Solution();
        solution.inorderTraversal(node1);
    }
}
